WORKS IN PROGRESS

• “How Do the Firm Attain Internal and External Flexibility of Employment?” (with Daiji Kawaguchi, Ayako Kondo, and Taiyo Fukai)

• “Current Earnings VS Social Security” (with Shintaro Yamaguchi and Takeshi Murooka)

• “The Unexpected Side Effects of Lockdowns on Those "Barely" Inside and Outside of Lockdown Areas” (with Reo Takaku, Takahiro Tabuchi, and Takeo Fujiwara), 2023, R&R in Oxford Bulletin of Economics and Statistics.

• “Kill Two Birds with One Stone? A Causal Effect of Drinking on Smoking” (with Daiji Kawaguchi, Jungmin Lee, and Ming-Jen Lin).

• “How Serious Was It? The Impact of Preschool Closure on Mothers' Psychological Distress: Evidence from the First COVID-19 Outbreak” (with Reo Takaku).

• “Endogenous Decisions on Acceptable Worker-Job Mismatch Level and the Impact on Workers’ Performance” (with Takuya Obara, Kazuma Edamura, Arisa Shichijo, and Tomohiko Inui).

• “Developing Trusting Relationships Through Communication” (with Takuya Obara)

• “Do Extended Benefits Affect Unemployment Duration?” (with Yuko Mori).

• “Set Inference of Wage Declines at Older Ages Accounting for Selective Retirement Decisions” (with Hiroaki Mori).

DISCUSSION PAPERS 

• “Financial Meltdown in “Swing Hospitals” during the COVID-19 Outbreak” (with Reo Takaku), 2021, medRxiv, DOI:10.1101/2021.06.06.21258442. (Published in Journal of Public Economics in 2022).

• “How Serious Was It? The Impact of Preschool Closure on Mothers' Psychological Distress: Evidence from the First COVID-19 Outbreak” (with Reo Takaku), 2020, SSRN Electronic Journal, DOI:10.2139/ssrn.3756638. (Published in Japanese Economic Review, in 2024).

• “Is Asian Flushing Syndrome a Disadvantage in the Labor Market?,” (with Daiji Kawaguchi, Jungmin Lee, and Ming-Jen Lin), 2020, Center for Research and Education in Program Evaluation (CREPE) Discussion Paper NO.78. (Published in Health Economics in 2023).

• “Endogenous Decisions on Acceptable Worker-Job Mismatch Level and the Impact on Workers’ Performance” (with Takuya Obara, Kazuma Edamura, Arisa Shichijo, and Tomohiko Inui), 2020, SSRN Electronic Journal, 10.2139/ssrn.3695573.

• “What School Closure Left in Its Wake: Contrasting Evidence Between Parents and Children from the First COVID-19 Outbreak,” 2020, SSRN Electronic Journal, 10.2139/ssrn.3693484. (Published in Journal of Public Economics in 2021).

• “Effects of State-Sponsored Human Capital Investment on the Selection of Training Type” (with Naomi Kodama and Yoshio Higuchi), 2018, RIETI Discussion Paper Series 18-E-029, Research Institute of Economy, Trade and Industry. (Published in Japan & The World Economy in 2019).

• “Adjustments of Regular and Non-regular Workers to Exogenous Shocks: Evidence From Exchange Rate Fluctuation” (with Kazuhito Higa and Daiji Kawaguchi), 2018, Bank of Japan Working Paper Series, No.18-E-2, Bank of Japan. (Published in Industrial and Labor Relations Review in 2021)

•  “Labor Market Impact of Labor Cost Increase without Productivity Gain: A Natural Experiment from the 2003 Social Insurance Premium Reform in Japan” (with Naomi Kodama), 2017, RIETI Discussion Paper Series 17-E-093, Research Institute of Economy, Trade and Industry (Published in Oxford Bulletin of Economics and Statistics in 2018).

• “What Happened to Wage Inequality in Japan During the Last 25 Years? Evidence from the FFL Decomposition Method” (with Naomi Kodama and Yoshio Higuchi), 2016, RIETI Discussion Paper Series 16-E-081, Research Institute of Economy, Trade and Industry.

• “The Effect of Exchange Rate Fluctuations on Employment—Empirical Analysis Using Firm-level Panel Data—” (with Daiji Kawaguchi and Kazuhito Higa), 2015, RIETI Discussion Paper Series 15-E-139, Research Institute of Economy, Trade and Industry.

• “Optimal Combination of Wage Cuts and Layoffs: The Unexpected Side Effect of a Performance-based Payment System” (with Takuya Obara), 2015, Discussion papers; No. 2015-07, Graduate School of Economics, Hitotsubashi University (Published in IZA Journal of Labor Policy, forthcoming).

• “Developing Trusting Relationships Through Communication” (with Takuya Obara), 2015, Discussion papers; No.2015-03, Graduate School of Economics, Hitotsubashi University.

• “The Impact of Tax Reform in Japan on the Work-Hour and Income Distributions of Married Women,” 2015, Discussion papers; No. 2015-02, Graduate School of Economics, Hitotsubashi University. (Published in Journal of The Japanese and International Economies in 2018.)

• “Labor Market Responses to Standard Hours Reduction: Evidence from Japan” (with Daiji Kawaguchi and Hisahiro Naito), 2008, ESRI Discussion Paper Series No.202, Economic and Social Research Institute.

• “Information Sharing in Joint Research and Development” (with Hiroyuki Chuma, Shuzo Fujimura., Toshiji Kawagoe, Taisuke Matsubae, Masahiro Okuno, Hirokazu Takizawa, and Yasunori Watanabe), 2007, RIETI Discussion Paper Series 07-E-019, Research Institute of Economy, Trade and Industry.

• “Deferred Compensation: Evidence from Employer-employee Matched Data from Japan,” (with Kyoji Fukao, Ryo Kambayashi, Daiji Kawaguchi, Hyeog Ug Kwon, and Young Gak Kim), 2006, Hi-Stat Discussion Paper Series No. 182, Hitotsubashi University (Published in The Economic Review in 2007).

• “Wage Distribution in Japan: 1989-2003,” (with Daiji Kawaguchi and Ryo Kambayashi), 2006, Hi-Stat Discussion Paper Series No. 183, Hitotsubashi University (Published in Canadian Journal of Economics in 2008).

• “Has Japan's Long-Term Employment Practice Survived? Developments Since the 1990s,” (with Satoshi Shimizutani), 2006, Hi-Stat Discussion Paper Series No.182, Hitotsubashi University (Published in Industrial and Labor Relations Review in 2009).